Triangle read by rows: the almost-Riordan array ( 1/(1-x) | 2/((1-x)*(1+x+sqrt(5*x^2-6*x+1))), (1-3*x-sqrt(5*x^2-6*x+1))/(2x) ).

A373746

Triangle read by rows: the almost-Riordan array ( 1/(1-x) | 2/((1-x)*(1+x+sqrt(5*x^2-6*x+1))), (1-3*x-sqrt(5*x^2-6*x+1))/(2x) ).

Terms

    a(0) =1a(1) =1a(2) =1a(3) =1a(4) =2a(5) =1a(6) =1a(7) =4a(8) =5a(9) =1a(10) =1a(11) =10a(12) =20a(13) =8a(14) =1a(15) =1a(16) =31a(17) =78a(18) =45a(19) =11a(20) =1a(21) =1a(22) =110a(23) =310a(24) =224a(25) =79a(26) =14a(27) =1a(28) =1a(29) =421

External references